from flask_sqlalchemy import SQLAlchemy
import os
from flask import Flask

basedir = os.path.abspath(os.path.dirname(__file__)) # 获取当前绝对路径
app = Flask(__name__)# 初始化
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///'+os.path.join(basedir, 'da3t3a.sqlite')配置路径和文件名
app.config['SQLALCHEMY_COMMIT_ON_TEARDOWN'] = True #每次结束后自动提交数据库中的变动
db = SQLAlchemy(app)
db.create_all()# 创建数据库